Simone, L.R.L. & R.L. Ferreira. 2022. Eupera troglobia sp. nov.: the first troglobitic bivalve from the Americas (Mollusca, Bivalvia, Sphaeriidae). Subterranean Biology 42: 165-184. Available electronically.
Simone & Ferreira, 2022. Subterranean Biology 42: 168, figs. 1-30.